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    <title>Document</title>
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    <script>

        //柯里化思想

        //请实现以下效果
        function add(a, b, c) {
            return a + b + c
        }
        // console.log(add.length);
        const res = add(1, 2, 3) //6

        //要求声明一个curry函数，函数add经过curry函数的处理后，每次调用只能接收一个参数
        const curry = (fn, ...args) => {
            console.log(fn.length)
            console.log(...args);
            if (fn.length === args.length) {
                return fn(...args)

            }

            return function (arg) {
                console.log(arg)
                console.log(...args)
                return curry(fn, ...[...args, arg])
            }
        }
        let addCurry = curry(add)
        console.log(addCurry);
        const res2 = addCurry(1)(2)(3) //6

        console.log(res2);

    </script>
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